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From: Derek Fawcus <dfawcus@cisco.com>
To: Yuji Sekiya <sekiya@sfc.wide.ad.jp>
Cc: "David S. Miller" <davem@redhat.com>,
	linux-kernel@vger.kernel.org, netdev@oss.sgi.com,
	usagi@linux-ipv6.org
Subject: Re: [PATCH] IPv6: Fix Prefix Length of Link-local Addresses
Date: Thu, 10 Oct 2002 01:04:39 +0100	[thread overview]
Message-ID: <20021010010439.C8102@edi-view1.cisco.com> (raw)
In-Reply-To: <ur8ez9n8d.wl@sfc.wide.ad.jp>; from sekiya@sfc.wide.ad.jp on Thu, Oct 10, 2002 at 09:00:34AM +0900

On Thu, Oct 10, 2002 at 09:00:34AM +0900, Yuji Sekiya wrote:
> At Wed, 09 Oct 2002 16:45:04 -0700 (PDT),
> ** David S. Miller <davem@redhat.com> wrote:
> 
> >    The reason we change the prefix length  from /10 to /64 is
> >    following spec and adapting other imprementations.
> > 
> > I think Derek's explanation shows that the specification
> > allows the /10 behavior.
> 
> Hmm... we interpret the spec as /64 prefix.
> 
> > Also, I suspect that since Derek works for Cisco, some "other
> > implementations" behave how he describes. :-)
> 
> I have cisco box which installed IPv6 IOS.
> But it defines no prefix length at an interface,
> 
> FastEthernet4/1 is up, line protocol is up
>   IPv6 is enabled, link-local address is FE80::201:64FF:FEA3:ED55
> 
> and outgoing interface of routing table is NULL ? :-)
> 
> L   FE80::/10 [0/0]
>      via ::, Null0, 7w0d

Turn on 'debug ipv6 nd',  'debug ipv6 icmp',  'debug ipv6 pack d'

Then do 'ping ipv6' specify a link local of say fe80:1910::10 and
an egress interface,  and watch what happens.

DF

  reply	other threads:[~2002-10-10  0:04 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-10-07 15:05 [PATCH] IPv6: Fix Prefix Length of Link-local Addresses YOSHIFUJI Hideaki / 吉藤英明
2002-10-07 18:55 ` David S. Miller
2002-10-08  0:37   ` YOSHIFUJI Hideaki / 吉藤英明
2002-10-08 19:40     ` David S. Miller
2002-10-09 16:00 ` Derek Fawcus
2002-10-09 16:54   ` YOSHIFUJI Hideaki / 吉藤英明
2002-10-09 17:11     ` Derek Fawcus
2002-10-09 17:16     ` Pekka Savola
2002-10-09 19:03       ` kuznet
2002-10-09 19:23         ` YOSHIFUJI Hideaki / 吉藤英明
2002-10-09 20:47           ` kuznet
2002-10-09 21:46   ` Yuji Sekiya
2002-10-09 22:44     ` Derek Fawcus
2002-10-09 23:14       ` David S. Miller
2002-10-09 23:29         ` Derek Fawcus
2002-10-09 23:24           ` David S. Miller
2002-10-09 23:36             ` Derek Fawcus
2002-10-09 23:41             ` Yuji Sekiya
2002-10-09 23:45               ` David S. Miller
2002-10-10  0:00                 ` Yuji Sekiya
2002-10-10  0:04                   ` Derek Fawcus [this message]
2002-10-10  0:14                     ` Yuji Sekiya
2002-10-10  0:21                       ` Derek Fawcus
2002-10-10  0:35                         ` Yuji Sekiya
2002-10-10  0:42                           ` Derek Fawcus
2002-10-10  0:56                             ` Yuji Sekiya
2002-10-10  1:11                               ` Derek Fawcus
2002-10-10  0:10                   ` Derek Fawcus
2002-10-10  0:02                 ` Derek Fawcus
2002-10-09 23:51               ` Derek Fawcus

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